ANCA positive + intermediate colitis = Ulcerative colitis
ANCA positive + obstructive jaundice = Primary sclerosing cholangitis.
C ANCA positive + epistaxis, hemoptysis, and hematuria =granulomatosis with polyangitis
P ANCA positive + asthma = churg Strauss syndrome .
P ANCA and C ANCA positive + hematuria and no upper respiratory tract symptoms = microscopic polyangitis